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Title: In the human respiratory system, gas exchange occurs across the cells of the ________. Post by: lvida on Jul 10, 2018 In the human respiratory system, gas exchange occurs across the cells of the ________.
A) diaphragm B) trachea C) bronchi D) alveoli Title: In the human respiratory system, gas exchange occurs across the cells of the ________. Post by: cgara59 on Jul 10, 2018 Content hidden
Title: In the human respiratory system, gas exchange occurs across the cells of the ________. Post by: lvida on Jul 10, 2018 Makes more sense now, have a good weekend!
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